RFR: 8334169: Long arguments of attach operation are silently truncated on Windows

[Alex Menkov]

The change fixes a bug in Attach API implementation on Windows when argument(s) are longer than 1023 bytes

testing: test/hotspot/jtreg/serviceability/attach, test/jdk/com/sun/tools/attach on Oracle supported platforms

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Commit messages:
 - JDK-8334168

Changes: https://git.openjdk.org/jdk/pull/19780/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19780&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334169
  Stats: 180 lines in 2 files changed: 172 ins; 1 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/19780.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19780/head:pull/19780

PR: https://git.openjdk.org/jdk/pull/19780